diff --git a/AUTHORS.rst b/AUTHORS.rst
index 5c0f9bb9882..5e4d75e988a 100644
--- a/AUTHORS.rst
+++ b/AUTHORS.rst
@@ -74,6 +74,7 @@ Contributors
 * Juan Luis Cano Rodríguez -- new tutorial (2021)
 * Julien Palard -- Colspan and rowspan in text builder
 * Justus Magin -- napoleon improvements
+* Kazuya Take -- ``sphinx.testing.path`` bug fix
 * Kevin Dunn -- MathJax extension
 * KINEBUCHI Tomohiko -- typing Sphinx as well as docutils
 * Kurt McKee -- documentation updates
diff --git a/CHANGES.rst b/CHANGES.rst
index 76915e0fed6..5124dbb90e2 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -16,6 +16,10 @@ Features added
 Bugs fixed
 ----------
 
+* #13377: Restore support for using ``sphinx.testing.path`` paths with
+  ``sphinx.testing.fixtures``.
+  Patch by Kazuya Takei.
+
 Testing
 -------
 
diff --git a/sphinx/testing/path.py b/sphinx/testing/path.py
index 2d01f935062..fe91c66143b 100644
--- a/sphinx/testing/path.py
+++ b/sphinx/testing/path.py
@@ -58,18 +58,26 @@ def isdir(self) -> bool:
         """Returns ``True`` if the path is a directory."""
         return os.path.isdir(self)
 
+    is_dir = isdir
+
     def isfile(self) -> bool:
         """Returns ``True`` if the path is a file."""
         return os.path.isfile(self)
 
+    is_file = isfile
+
     def islink(self) -> bool:
         """Returns ``True`` if the path is a symbolic link."""
         return os.path.islink(self)
 
+    is_symlink = islink
+
     def ismount(self) -> bool:
         """Returns ``True`` if the path is a mount point."""
         return os.path.ismount(self)
 
+    is_mount = ismount
+
     def rmtree(
         self,
         ignore_errors: bool = False,